Beside this, prehistoric man looks technologically primitive.

除此之外，史前人类使用的技术看起来比较简陋。

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When prehistoric man arrived in new parts of the world, something strange happened to the large animals: they suddenly became extinct.

当史前人类来到一处新地方时，一些奇怪的事情发生在大型动物身上，那就是它们突然灭绝了。

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Prehistoric man used flint knives.

史前人用打火石刀。

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Simon and his wife Erika found the mummy of the prehistoric man in 1991.

BBC: NEWS | Europe | Iceman's discoverer dead in Alps

The prehistoric caves in Torquay house bone artefacts believed to date back to Neanderthal man.

BBC: Torbay's prehistoric origins recognised by UNESCO